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Technical Data Sheet
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55502 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

55502: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include inside_diameter: 0.250 INCHES NOMINAL IN, end_item_identification: 3990-01-121-7758, cross-sectional_shape_style: ROUND, measuring_method_and_length: 44.000 INCHES NOMINAL WORKING IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-151-8232, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
55502
NSN: 3110-00-151-8232
NIINs: 001518232, 012957073, 013209301
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
inside_diameter0.250 INCHES NOMINAL IN
end_item_identification3990-01-121-7758
cross-sectional_shape_styleROUND
measuring_method_and_length44.000 INCHES NOMINAL WORKING IN
NSN3110-00-151-8232
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 55502 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 35.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
SHIELD QUANTITY2
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.6250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER35.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SHIELD QUANTITY
NONDEFINITIVE SPEC/STD DATA146 TYPE AND 00 GRADE
SUBSTITUTES & CROSS-REFERENCES 7
50024Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-A-59636-802JCBESame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FFB171Reference document
Same NSN cross-reference
Reference document — Secondary reference
810AS1113-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
701150Reference document
Same NSN cross-reference
Reference document — Secondary reference
77-B-146-01532-2000Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55502?
55502 is a BEARING,BALL,ANNULAR.
What parts can replace 55502?
There are 7 known substitutes for 55502: 50024, A-A-59636-802JCBE, FFB171 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55502?
55502 is cataloged in the U.S. Government catalog under NSN 3110-00-151-8232. This indicates validated use in U.S. government and defense supply chains.
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